<template>
  <div>
    <div class="my-tag">
      <input
        class="input"
        type="text"
        placeholder="输入标签"
        v-if="isShow"
        v-focus
        @blur="isShow = false"
        v-model="inputTag"
        @keydown.enter="changeTag"
      />
      <div
      v-else
      @dblclick="show"
      class="text">{{ value }}</div>
    </div>
  </div>
</template>

<script>
export default {
  props: {
    value: {
      type: String,
      required: true
    }
  },
  data() {
    return {
      isShow: false,
      inputTag: ""
    };
  },
  methods: {
    changeTag() {
      this.$emit('input', this.inputTag)
      this.isShow = false
    },
    show() {
      this.inputTag = this.value
      this.isShow = true
    }
  }
};
</script>

<style lang="less" scoped>
.my-tag {
  cursor: pointer;
  .input {
    appearance: none;
    outline: none;
    border: 1px solid #ccc;
    width: 100px;
    height: 40px;
    box-sizing: border-box;
    padding: 10px;
    color: #666;
    &::placeholder {
      color: #666;
    }
  }
}
</style>